/**
* Copyright (c) 2025 Huawei Technologies Co., Ltd.
* This program is free software, you can redistribute it and/or modify it under the terms and conditions of
* CANN Open Software License Agreement Version 2.0 (the "License").
* Please refer to the License for details. You may not use this file except in compliance with the License.
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
* See LICENSE in the root of the software repository for the full text of the License.
*/

/*!
 * \file index_seq.h
 * \brief
 */
#ifndef ATVC_INDEX_SEQ_H
#define ATVC_INDEX_SEQ_H

#include <cstddef>

namespace ATVC {
template <std::size_t... Is>
struct IndexSequence {};

template <std::size_t N, std::size_t... Is>
struct MakeIndexSequenceImpl : MakeIndexSequenceImpl<N - 1, N - 1, Is...> {};

template <std::size_t... Is>
struct MakeIndexSequenceImpl<0, Is...> {
    using Type = IndexSequence<Is...>;
};

template <std::size_t N>
using MakeIndexSequence = typename MakeIndexSequenceImpl<N>::Type;

} // namespace ATVC
#endif
